Definition of euphorbia
: any of a large genus (Euphorbia) of herbs, shrubs, and trees of the spurge family that have a milky juice and flowers lacking a calyx and included in an involucre which surrounds a group of several staminate flowers and a central pistillate flower with 3-lobed pistils
broadly
: spurge
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Merriam-Webster unabridged
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Time Traveler for euphorbia
The first known use of euphorbia was in the 14th century
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